SC543 ricoh Aficio 1027

• Fusing thermistor defective or out of position
• Fusing lamp open
• Fusing thermostat open
• Poor connection of the fusing unit
Inspect all the elements before mentioned, soon presses total clear (Yellow Key) 1 0 7 and Maintain pressed clear stop key (orange key) more tan 3 sec. Enter SP 5-810 (SC code reset),
select execute, select close. Exit SP mode, turn the main power
switch off then on.

If the problem continuous the problem can be in the Power supply board, can be defective.

You need to enter service mode to clear this, it is a heating problem with the fuser section, take it out (2 screws) are the 2 rollers touching eachother all the way across? If not this is the root of the problem. -Carl